2523633864 has 64 divisors (see below), whose sum is σ = 6534013440. Its totient is φ = 811399680.

The previous prime is 2523633863. The next prime is 2523633881. The reversal of 2523633864 is 4683363252.

It is not an unprimeable number, because it can be changed into a prime (2523633863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227454 + ... + 238290.

It is an arithmetic number, because the mean of its divisors is an integer number (102093960).

Almost surely, 2^2523633864 is an apocalyptic number.

2523633864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2523633864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3267006720).

2523633864 is an abundant number, since it is smaller than the sum of its proper divisors (4010379576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2523633864 is a wasteful number, since it uses less digits than its factorization.

2523633864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11190 (or 11186 counting only the distinct ones).

The product of its digits is 622080, while the sum is 42.

The square root of 2523633864 is about 50235.7827051595. The cubic root of 2523633864 is about 1361.4722134095.

The spelling of 2523633864 in words is "two billion, five hundred twenty-three million, six hundred thirty-three thousand, eight hundred sixty-four".